﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RewriteWeatherApp.Base
{
    public interface IMyAccountsSubject
    {
        void RegisterObserver(IMyAccountsObserver observer);//关注
        void RemoveObserver(IMyAccountsObserver observer);//取关
        void NotifyObserver();//通知
    }
}
